Tablet computer with interface channels

ABSTRACT

A modular interface and attachment system for integration with, or use with, a tablet computer is disclosed. The system allows for the modular attachment of ergonomic features, specialty I/O devices, and specialty data entry hardware. Interface channels may be built into the rear surface of the tablet housing, while the accompanying accessories are provided with mating splines. The interface channels can also include electrical contacts to provide power to accessories that are mounted, or to facilitate the mounting of an auxiliary battery. Accessories that require a physical data or I/O interface with the tablet can be mounted at either end of the tablet at positions where data connectors are provided.

CROSS-REFERENCE TO RELATED APPLICATION

The present application claims the benefit of U.S. Provisional Patent Application No. 62/095,822 for a TABLET COMPUTER WITH INTERFACE CHANNELS filed Dec. 23, 2014. The foregoing patent application is hereby incorporated by reference in its entirety.

FIELD

Embodiments of the present invention generally relate to the field of tablet computers and, more specifically, to a modular attachment system for integration with, or use in connection with, a tablet computer.

BACKGROUND

Tablet computers (e.g., portable personal computers with a touch screen interface) are a veritable Swiss Army Knife of application capability. There are over 1,000,000 applications available for use on tablet computers (as of October 2013). This practically endless, and growing, array of applications provides an enormous range of capabilities. In particular, it is the configurable screen, touch input, and suite of built in sensors that make tablets an ideal platform for this type of software proliferation.

For enterprise tablets, however, customer needs often require more than a great software application. For example, special ergonomic features, specialty input/output (I/O) ports, and custom hardware-based data-entry devices are often required for enhanced usability.

Adding hardware enhancements to tablet computers raises complications that are not issues with custom software applications. Typically, add-on hardware enhancement for tablet computers is complex and clunky in implementation.

Therefore, a need exists for tablet computers having an improved ability for hardware enhancement, including but not limited to a modular system for tablet computers. The modular system for tablet computers may allow for the attachment of ergonomic features, specialty input/output (I/O) devices, and specialty hardware-based data-entry systems in an easily configured manner.

SUMMARY

The present disclosure relates to an exemplary modular interface and attachment system for integration with, or use in connection with, a tablet computer. The exemplary modular interface allows the attachment of ergonomic features, specialty I/O devices, and specialty hardware-based data-entry systems in an easily configured, modular manner.

The exemplary interface system may provide spaced interface channels built into the back of a housing of a tablet computer, or into a case in which the tablet is received. The interface channels can allow for a variety of accessories to easily attach and detach, keeping the whole system neat and clean. Further, the interface channels can include power conduits to provide power to accessories that are mounted in the channels, or to facilitate the mounting of an auxiliary battery.

Accessories that require a physical data or I/O interface with the tablet may be mounted at either end of the tablet at positions where plugs or other data connectors are provided.

The exemplary system may accommodate a large number of add-on accessories without additional fitting kits, and a large number of combinations of add-on accessories.

In one exemplary embodiment, this disclosure provides for the interface to be integrated into the housing of the tablet computer itself. In another exemplary embodiment, a mounting rail, power conduit, and physical data or I/O interface are incorporated into a case that is installed onto the tablet computer allowing the beneficial features of the disclosure to be adapted to any available tablet computer.

The present disclosure allows for the modular attachment of various accessories such as auxiliary batteries, barcode scanners (or other types of data entry devices), keyboards, any number of grips and/or handles (i.e., ergonomic features), card scanners and readers, RFID scanners, and/or any other known or unknown future peripherals. The accessory and attachment system provides for modular attachment and configuration that can enhance the user experience beyond the core functions, while furthering the capabilities of the underlying tablet and increasing the productivity of the various applications employed.

BRIEF DESCRIPTION OF THE DRAWINGS

FIGS. 1A, 1B, 1C, and 1D depict various prior art mounting arrangements for tablet computers.

FIGS. 2A and 2B are back views of an exemplary embodiment illustrating attachment channels and splines.

FIG. 3 is an enlarged, close-up view of a portion of the back of an exemplary tablet illustrating dovetail channels.

FIG. 4 is a perspective view of an exemplary accessory with a mating dovetail spline.

FIGS. 5A, 5B, and 5C are rear perspective views of an exemplary card reader accessory being installed in an exemplary attachment system.

FIG. 6 is another rear perspective view of an exemplary tablet with various exemplary accessories installed.

FIGS. 7A and 7B depict an exemplary keypad accessory for an exemplary tablet.

FIG. 8 depicts an exemplary RFID reader for an exemplary tablet.

FIG. 9 depicts an exemplary barcode scanner for an exemplary tablet.

FIG. 10 depicts an exemplary handle accessory for an exemplary tablet.

DETAILED DESCRIPTION

Referring now to the drawings (FIGS. 1-10), an exemplary embodiment of a modular interface and attachment system for a tablet computer is illustrated and generally indicated as reference numeral 10. As will hereinafter be more fully described, the interface systems allows for the modular attachment of accessory devices including ergonomic handles, specialty I/O devices, and specialty hardware-based data-entry systems. The term “tablet computer” as set forth herein is used in a non-limiting, generic sense and generally refers to any number of tablet or slate shaped devices that can be manipulated by using a touch screen (e.g., the IPAD from Apple Inc., the GALAXY from Samsung Inc., etc.). Additional tablet features may include speakers, microphones, cameras, sensors, etc.

FIGS. 1A, 1B, 1C, and 1D represent various prior art accessory mounting arrangements. FIG. 1A illustrates a complicated strapping system for mounting an accessory with a tablet. FIG. 1B shows a barcode scanner and other accessories which simply fit in the proprietary LIGHTNING computer bus and power connector of an IPAD tablet in an insecure manner. FIG. 1C shows a keyboard accessory grafted onto the bottom edge of a tablet and FIG. 1D shows a card reader similarly attached on the right side edge of the tablet. These attachment mechanisms and accessory arrangements are ergonomically intrusive.

As depicted and shown generally in FIGS. 2-6, the exemplary interface and attachment system for a tablet computer provides spaced interface channels that are built into the back of the tablet computer. The interface channels allow a variety of add-ons to easily attach and detach, keeping the whole system neat and clean. Further, the interface channels may include electrical contacts (not explicitly shown in the Figures) to mate with and to provide power to accessories mounted on the channels, or to facilitate the mounting of an auxiliary battery for the tablet.

It will be appreciated by one skilled in the art that while the modular interface and attachment system is illustrated as being integrally formed in the housing of the tablet computer itself, it is fully anticipated that the interface channel system could itself be an add-on accessory. In one exemplary embodiment of such an arrangement, the system may be formed as a “snap-on” style case (not shown) that is then attached to the tablet computer. The channels may be formed in the body of the accessory case rather than in the case of the tablet. Further, the channeled accessory case may itself incorporate an auxiliary battery mounted into the case for providing power to the tablet and/or attached accessories.

The exemplary embodiments as illustrated provide interface channels 14 (FIGS. 2A, 2B) on the rear surface of the tablet computer 10. In the exemplary embodiment, the interface channels 14 are spaced, female dovetail channels (FIG. 3). The channels 14 may also be T-shaped, L-shaped, or other inverted triangular or wedge cross sections (and/or other interlocking connection types). The spaced channels 14 allow any variety of modular accessories 12, 12 a, 12 b to be secured directly to the tablet computer 10 (collectively, the various accessories may be referred to herein as reference number 12).

Turning to FIG. 3, the two spaced dovetail channels 14 run in the long direction of the tablet 10. It should also be appreciated that the interface channels 14 could alternately run along the short direction of the tablet 10 as well.

Turning to FIG. 4, an accessory 12 is illustrated having complementary male dovetail splines 16 which are slidably received into the spaced dovetail channels 14.

In the exemplary embodiment, the channels 14 and splines 16 also include mating electrical contacts (not shown) which engage when assembled to provide power to the accessory 12 (if needed). In the alternative, the accessory 12 could comprise a battery providing extended or auxiliary power from the battery 12 to the tablet computer 10.

FIGS. 5A, 5B, and 5C depict the installation of an exemplary accessory 12 a which, in the illustrated figures, is a Magnetic Slide Reader (MSR). When installed into the channels 14, the MSR splines (not shown, but representative splines 16 are illustrated in FIG. 4) physically secure the MSR accessory 12 a to the tablet 10 and also make contact with electrical contact plates to provide for power transmission. Additionally, the MSR 12 a and the tablet computer 10 are provided with mating data connectors (not shown) which are also engaged when the accessory 12 a is mounted to provide for data transmission. In one embodiment, the data connectors may be located on the side edges of the tablet computer 10 and are protected beneath sliding or retractable doors (not shown, but representative doors 18 are illustrated in FIG. 3).

Alternately, data connectors, or other contacts or ports, could be provided on the bottom surface of the tablet housing as needed for a particular application. One skilled in the art can appreciate that once an accessory 12 is installed, various set screws or other quick connect/disconnect features (not shown) may be engaged to prevent the accessory 12 from being dislodged during use and operation. Referring to FIG. 5C, it can also be seen that the accessory devices 12 may provide further ergonomic functionality as grips or handles.

One of the benefits of a system as disclosed is the number and combinations of add-on accessories 12 that can be accommodated. Turning to FIG. 6, it can be seen that the interface channels 14 allow a variety of accessory devices 12 a (MSR), 12 b (hand grip), 12 c (serial data port) to be simultaneously mounted.

Turning to FIGS. 7A and 7B, a keypad accessory 12 d can be installed to enhance the user interface with the device. Moreover, FIG. 8 depicts an installed RFID scanner 12 e, FIG. 9 depicts an installed barcode scanner 12 f, and FIG. 10 depicts an installed handle 12 g.

In summary, it can be appreciated from the foregoing description and illustrations that the exemplary system allows for the modular attachment of various accessories such as auxiliary batteries, barcode scanners, keyboards, keypads, grips and/or handles, card scanners, card readers and/or RIFD scanners directly to the housing of a tablet computer. The accessories and interface channels provide for modular attachment and configuration that can enhance the use experience of the tablet computer beyond its core function furthering the capabilities of the underlying tablet and increasing the productivity of the various applications employed.

To supplement the present disclosure, this application incorporates entirely by reference the following commonly assigned patents, patent application publications, and patent applications:

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In the specification and/or figures, typical embodiments and environments of the invention have been disclosed. The present invention is not limited to such exemplary embodiments. The use of the term “and/or” includes any and all combinations of one or more of the associated listed items. The figures are schematic representations and so are not necessarily drawn to scale. Unless otherwise noted, specific terms have been used in a generic and descriptive sense and not for purposes of limitation. 

1. A modular system for a tablet computer, comprising: channels affixed to a housing of a tablet computer, the channels configured to receive one or more accessories.
 2. The system of claim 1, wherein the channels are integrally formed in a rear panel of the tablet computer.
 3. The system of claim 1, wherein the channels are formed in a channel housing that is affixed to the tablet computer.
 4. The system of claim 3, wherein the channel housing includes an accessory battery for the tablet computer mounted within the channel housing.
 5. The system of claim 3, comprising two spaced-apart channels.
 6. The system of claim 5, wherein the channels have a profile selected from the group consisting of: T-shaped cross section, an L-shaped cross-section, triangular cross-section, dovetail cross-section, and wedge-shaped cross-section.
 7. The system of claim 5, wherein the modular accessory is selected from the group consisting of: auxiliary batteries, barcode scanners, accessory keyboards, grips, handles, card scanners, card readers, and RFID scanners.
 8. The system of claim 5, wherein the channels include power conduits.
 9. The system of claim 5, wherein the channels include data interfaces.
 10. A tablet computer and accessory system, comprising: a tablet computer having a housing with a rear surface, the rear surface having two parallel spaced apart interface channels; and a tablet accessory having a housing with a mounting surface, the mounting surface having two parallel spaced apart splines; wherein the splines are slidably receivable in the interface channels to affix the tablet accessory to the tablet computer housing.
 11. The system of claim 10, wherein the interface channels and the splines include mating electrical contacts to provide for the transmission of power.
 12. The system of claim 11, wherein the tablet computer and the tablet accessory include mating data connectors to provide for data communication.
 13. The system of claim 10, wherein the tablet computer and the tablet accessory include mating data connectors to provide for data communication.
 14. The system of claim 13, wherein the tablet computer housing is rectangular, the interface channels run in the long direction of the housing, and the tablet computer data connector is located on a side edge of the housing.
 15. The system of claim 10, wherein the tablet computer housing is rectangular, and the interface channels run in the long direction of the housing.
 16. A tablet computer, comprising: a housing having a rear surface; and two parallel spaced apart interface channels formed in the rear surface of the housing.
 17. The tablet computer of claim 16, wherein the housing is rectangular and the interface channels run in the long direction of the housing.
 18. The tablet computer of claim 17, comprising an electrical data connector on a side edge of the housing.
 19. The tablet computer of claim 18, wherein the interface channels include electrical contacts.
 20. The tablet computer of claim 16, wherein the interface channels include electrical contacts. 